Room 1308, Block D, Yintai Times Square, High-Tech Zone, Zibo City, Shandong Province, China; hjmt@hjmtchina +86-533-7990996; Kaolin. Oct 27, 2022. ... There are two kinds of ultra-fine grinding of kaolin: dry method and wet method. The dry method is mostly used for superfine grinding of hard kaolin or kaolinite, and the product …Web